4570000

素因数分解:

$2^4\times 5^4\times {\mathrm{457}}^1$

素因数の和:485

約数の個数: 50

約数和(自身を含む): 11088638

約数和(自身を除く): 6518638

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 457, 500, 625, 914, 1000, 1250, 1828, 2000, 2285, 2500, 3656, 4570, 5000, 7312, 9140, 10000, 11425, 18280, 22850, 36560, 45700, 57125, 91400, 114250, 182800, 228500, 285625, 457000, 571250, 914000, 1142500, 2285000, 4570000]

約数ペア:

[(1, 4570000), (2, 2285000), (4, 1142500), (5, 914000), (8, 571250), (10, 457000), (16, 285625), (20, 228500), (25, 182800), (40, 114250), (50, 91400), (80, 57125), (100, 45700), (125, 36560), (200, 22850), (250, 18280), (400, 11425), (457, 10000), (500, 9140), (625, 7312), (914, 5000), (1000, 4570), (1250, 3656), (1828, 2500), (2000, 2285)]